Add java-bittorrent example (still not working).

[simgrid.git] / examples / smpi / bcbench.c

diff --git a/examples/smpi/bcbench.c b/examples/smpi/bcbench.c
index 85d3656..5cd2f64 100644 (file)
--- a/examples/smpi/bcbench.c
+++ b/examples/smpi/bcbench.c
@@ -1,7 +1,18 @@
+/* Copyright (c) 2009, 2010. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <mpi.h>
 
+#ifdef _WIN32
+  #define srandom srand
+  #define random rand
+#endif
+
 #define GETTIMEOFDAY_ERROR 1
 
 #define N_START 1
@@ -11,13 +22,14 @@
 #define ONE_MILLION 1000000.0
 #define RAND_SEED 842270
 
-int main(int argc, char* argv[]) {
+int main(int argc, char *argv[])
+{
 
   int size, rank;
-  int N, I;
-  struct timeval *start_time, *stop_time;
-  double seconds;
-  int i, j, k;
+  int N;
+  struct timeval *start_time = NULL, *stop_time = NULL;
+  double seconds = 0;
+  int i, j;
   char *buffer;
   int check;
 
@@ -29,17 +41,17 @@ int main(int argc, char* argv[]) {
   MPI_Comm_size(MPI_COMM_WORLD, &size);
 
   if (0 == rank) {
-    start_time = (struct timeval *)malloc(sizeof(struct timeval));
-    stop_time  = (struct timeval *)malloc(sizeof(struct timeval));
+    start_time = (struct timeval *) malloc(sizeof(struct timeval));
+    stop_time = (struct timeval *) malloc(sizeof(struct timeval));
   }
 
-  for (N = N_START ; N <= N_STOP ; N = N_NEXT) {
+  for (N = N_START; N <= N_STOP; N = N_NEXT) {
 
     buffer = malloc(sizeof(char) * N);
 
     if (0 == rank) {
       for (j = 0; j < N; j++) {
-        buffer[j] = (char)(random() % 256);
+        buffer[j] = (char) (random() % 256);
       }
       if (-1 == gettimeofday(start_time, NULL)) {
         printf("couldn't set start_time on node 0!\n");
@@ -52,7 +64,8 @@ int main(int argc, char* argv[]) {
       MPI_Bcast(buffer, N, MPI_BYTE, 0, MPI_COMM_WORLD);
       if (0 == rank) {
         for (j = 1; j < size; j++) {
-          MPI_Recv(&check, 1, MPI_INT, MPI_ANY_SOURCE, 1, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
+          MPI_Recv(&check, 1, MPI_INT, MPI_ANY_SOURCE, 1, MPI_COMM_WORLD,
+                   MPI_STATUS_IGNORE);
         }
       } else {
         MPI_Send(&rank, 1, MPI_INT, 0, 1, MPI_COMM_WORLD);
@@ -65,13 +78,18 @@ int main(int argc, char* argv[]) {
         MPI_Abort(MPI_COMM_WORLD, GETTIMEOFDAY_ERROR);
         exit(EXIT_FAILURE);
       }
-      seconds = (double)(stop_time->tv_sec - start_time->tv_sec) + (double)(stop_time->tv_usec - start_time->tv_usec) / ONE_MILLION;
+      seconds =
+          (double) (stop_time->tv_sec - start_time->tv_sec) +
+          (double) (stop_time->tv_usec -
+                    start_time->tv_usec) / ONE_MILLION;
     }
 
     free(buffer);
 
     if (0 == rank) {
-      printf("N: %10d, iter: %d, time: %10f s, avg rate: %12f Mbps\n", N, ITER, seconds, ((double)N * ITER * 8) / (1024.0 * 1024.0 * seconds));
+      printf("N: %10d, iter: %d, time: %10f s, avg rate: %12f Mbps\n", N,
+             ITER, seconds,
+             ((double) N * ITER * 8) / (1024.0 * 1024.0 * seconds));
     }
 
   }